G'day Garret and welcome to the forum. Good to hear your keen to get into bocking. Have a look at the links on the home page topics, there are a number of sellers in Australia there.
I am not gonna sway you this way or recommend what you need, but just remember everything has its own positives and negetives when it comes to jumping stilts. There is 1 seller in Brissy(which is close to home)
There are 2 sellers in NSW, which sell air runner and upwing.
Hope you get some soon and stay in touch with updates too.